In a large bowl, add 2 tablespoons avocado oil, chile powder, garlic, pork chops, and sea salt and freshly ground pepper to taste. Stir to combine and marinate in the refrigerator for 20 minutes.
On an indoor grill, heat olive oil over medium heat and grill pork 3 to 4 minutes per side until cooked through.
In a medium bowl, add watermelon, jalapeno, onion, avocado, 2 tablespoons olive oil and sea salt and freshly ground pepper to taste. Stir to combine.
Serve grilled pork with salsa.